Silicon Dioxide (Amorphous Silica) from Japan
Amorphous silicon dioxide, also known as synthetic silica, is a chemically defined inorganic oxygen compound of the nonmetal silicon. It falls under HTS 2811.29.5000 as 'other inorganic oxygen compounds of nonmetals' excluding specified compounds like carbon oxides. Used as a filler in rubber, plastics, and pharmaceuticals.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide Certificate of Analysis (COA) confirming purity and amorphous structure to avoid misclassification as quartz
• Ensure proper labeling as non-hazardous if particle size exceeds respirable limits; comply with TSCA registration
• Verify bulk packaging doesn't trigger 3824 classification for mixtures